package com.haoxuer.discover.plug.data.plugs.file.define;

import java.util.HashMap;
import java.util.Map;

public class FileType {
  
  public static final String JPG = "JPG";
  
  private static final Map<String, String> types = new HashMap<String, String>() {{
    
    put(FileType.JPG, ".jpg");
    
  }};
  
  public static String getSuffix(String key) {
    return FileType.types.get(key);
  }
  
  /**
   * 根据给定的文件名,获取其后缀信息
   *
   * @param filename
   * @return
   */
  public static String getSuffixByFilename(String filename) {
    
    return filename.substring(filename.lastIndexOf(".")).toLowerCase();
    
  }
  
}
